Cypress CY7C68013 - Endpoint RAM

CY7C68013
Document #: 38-08012 Rev. *A Page 13 of 48
3.10 Register Addresses
3.11 Endpoint RAM
3.11.1 Size
• 3 × 64 bytes (Endpoints 0 and 1)
• 8 × 512 bytes (Endpoints 2, 4, 6, 8)
3.11.2 Organization
• EP0 Bidirectional endpoint zero, 64-byte buffer
• EP1IN, EP1OUT 64-byte buffers, bulk or interrupt
• EP2,4,6,8 Eight 512-byte buffers, bulk, interrupt, or isochronous. EP2 and 6 can be either double, triple, or quad
buffered. For high-speed endpoint configuration options, see Figure 3-3.
3.11.3 Setup Data Buffer
A separate eight-byte buffer at 0xE6B8-0xE6BF holds the SETUP data from a CONTROL transfer.
FFFF
F000
E800
E7FF
E7C0
E7BF
E780
E77F
E740
E73F
E700
E6FF
E600
E480
E47F
E400
E3FF
E200
E1FF
E000
E5FF
EFFF
4 kbytes EP2-EP8 buffers
(8 × 512)
2 kbytes RESERVED
64 bytes EP1IN
64 bytes EP1OUT
64 bytes EP0 IN/OUT
64 bytes RESERVED
256 bytes Registers
384 bytes RESERVED
128 bytes GPIF Waveforms
512 bytes RESERVED
512 bytes
8051 xdata RAM